| Magnitude | 5.4 |
| Region | NEAR EAST COAST OF HONSHU, JAPAN |
| Date time | 2025-12-21 01:29:02.2 UTC |
| Location | 40.794 ; 142.133 |
| Depth | 46 km |
| Distance | 118 km E of Aomori, Japan / pop: 298,000 / local time: 10:29:02.2 2025-12-21 63 km NE of Hachinohe, Japan / pop: 239,000 / local time: 10:29:02.2 2025-12-21 |
Source parameters reviewed by a seismologist
All data providers for this event:
Geoscience Australia, Canberra, ACT, Australia -- Canberra, Australia (AUST)Seismological Survey of Serbia -- Belgrade, Serbia (BEO)
National Institute for Earth Physics -- Bucharest, Romania (NIEP)
HUN-REN EPSS Kövesligethy Radó Seismological Observato -- Budapest, Hungary (BUD)
Badan Meteorologi, Klimatologi dan Geofisika -- Jakarta, Indonesia (BMKG)
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
Geophysical Survey of the Russian Academy of Sciences -- Obninsk, Russia (GSRAS)
Instituto Portugues do Mar e da Atmosfera -- Lisbon, Portugal (IPMA)
Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)
Kandilli Observatory and Earthquake Research Institute -- Istanbul, Turkey (KOERI)
Landsamt fur Geologie, Rohstoffe und Bergbau -- Freiburg, Germany (LED)
Instituto Geografico Nacional -- Madrid, Spain (IGN)
Ukrainian NDC, Main Center of Special Monitoring -- Kyiv, Ukraine (MCSM)
Malaysian Meteorological Department -- Kuala Lumpur, Malaysia (MET)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
The research institute NORSAR -- Kjeller, Norway (NORSAR)
Geoazur (Universite Cote d'Azur, IRD, CNRS, Observatoire de la Cote d'Azur) -- Nice, France (OCA)
Republican Seismic Survey Center or Azerbaijan National Academy of Sciences -- Baku, Azerbaijan (RSSC)
EMSC -- Arpajon, France (SC4)
Seismological and Volcanological Observatory Center -- Dhamar, Yemen (YSVOC)
Further information can be found at:
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)